Lamp



FIG. 1 is a perspective view of a lamp showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The grayscale shading, which may show shadows and reflections,represents contour, not any particular color.

CLAIM The ornamental design for a lamp, as shown and described.